Operating as a constant voltage power supply, very simple to use. The adjustment knob and hi–lo range switch control the output, which is variable in 10-volt increments from 20 to 250 volts. One, two-position switch toggles the bright LED display from indicating output voltage to output current. This model is equipped with an over current detector for maximum safety. With four-year warranty.
Model 28408-00 equipped with an over current detector for maximum safety. Model 28402-02 operates in constant voltage or constant current with a continously variable output. A dual function, auto ranging 24- hour up/down timer allows for more effective time management.
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